Coring machine



FIG. 1 is a front perspective view of a coring machine showing my design.

FIG. 2 is a front view of the coring machine of FIG. 1.

FIG. 3 is a back view of the coring machine of FIG. 1.

FIG. 4 is a side view of the coring machine of FIG. 1.

FIG. 5 is a side view of the coring machine of FIG. 1.

FIG. 6 is a top view of the coring machine of FIG. 1; and,

FIG. 7 is a bottom view of the coring machine of FIG. 1. 

The ornamental design for a coring machine, as shown and described herein. 